CN110531094B - Automatic detection method for spectrum complex sampling - Google Patents
Automatic detection method for spectrum complex sampling Download PDFInfo
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- CN110531094B CN110531094B CN201910851927.9A CN201910851927A CN110531094B CN 110531094 B CN110531094 B CN 110531094B CN 201910851927 A CN201910851927 A CN 201910851927A CN 110531094 B CN110531094 B CN 110531094B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
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Abstract
The invention discloses an automatic detection method for spectrum resampling, which adopts a spectrum automatic detection system to detect the surface quality of a spherical object, wherein the spectrum automatic detection system comprises a control device, a pneumatic device, an input device, an output device and a detection device; and the pneumatic device, the input device, the output device and the detection device are in communication connection with the control device. The invention can automatically identify whether a sample to be detected (particularly a sample to be detected such as pearl) enters the detection device or not, and realize spectrum complex sampling detection, and after the sample to be detected is detected, the sample to be detected is output from the detection device, and whether the sample to be detected leaves the detection device or not is identified; the invention utilizes an automatic detection system to realize a complete automatic detection process of spectrum re-sampling, provides a plurality of groups of spectrum data for the subsequent surface quality identification of the sample to be detected, and can efficiently identify the surface quality of the sample to be detected with high quality.
Description
Technical Field
The invention relates to the technical field of spectrum detection, in particular to an automatic detection method for spectrum complex sampling.
Background
The quality of a sample to be detected is judged by comparing the sample to be detected with a standard sample, the method is mainly realized by depending on the observation of human eyes and the discrimination ability of detection personnel, on one hand, the method is easily influenced by the vision, the fatigue and the discrimination ability of the human eyes, and a large amount of manpower is required to be invested in batch detection; on the other hand, the standard sample is difficult to select and has poor operability; therefore, the manual detection method has the technical problems of extremely low detection efficiency and detection precision, complex operation, requirement of detection personnel to have considerable identification capability and the like; in addition, some methods adopting machine vision detection are also available in the market, and the surface quality of the sample to be detected is obtained by collecting an image of the surface of the sample to be detected and analyzing the image, so that the method has high requirements on a photographing environment, the stability of the sample to be detected during image collection cannot be ensured, the interference of the collected image is large, and a plurality of continuously photographed images cannot effectively reflect the surface quality of the sample to be detected, so that the conventional machine vision detection method has poor detection precision, and requires detection personnel to have considerable professional skills and operational time difference; in addition, a spectrum measurement method is also proposed abroad, the surface quality of the sample to be measured is obtained by collecting the surface spectrum data of the sample to be measured, however, the existing spectrum measurement method only collects a single group of spectrum data of the sample to be measured, the detection precision still needs to be improved, and a quantitative and complete detection line is not formed.
Disclosure of Invention
In order to solve the technical problem of poor detection efficiency and detection precision in the prior art, the invention provides an automatic detection method for spectrum re-sampling.
The invention is realized by the following technical scheme:
a spectrum complex sampling automatic detection method adopts a spectrum automatic detection system to detect the surface quality of a spherical object, wherein the spectrum automatic detection system comprises a control device, a pneumatic device, an input device, an output device and a detection device; the pneumatic device, the input device, the output device and the detection device are all in communication connection with the control device; the detection device comprises a driving device, an upper disc, a lower disc, a spectrum probe and a positioning device; the driving device enables the upper disc and the lower disc to be arranged in parallel through the central through holes of the upper disc and the lower disc, the upper disc is fixedly connected with the driving device, and the driving device can drive the lower disc to rotate; the upper disc is provided with at least one pair of input channel and output channel; the input channel is communicated with an input device, and the output channel is communicated with an output device; the lower disc is provided with a detection channel matched with the input channel and the output channel, the detection channel is communicated with the spectrum probe, and the positioning device is used for detecting the position of the spectrum probe; the method comprises the following steps:
step S1, initializing the automatic spectrum detection system;
step S2, the control device controls the drive device to rotate the lower disc to enable the spectrum probe to be positioned at an input position, and the sample to be detected is transmitted by the input device and enters the spectrum probe through the input channel;
step S3, controlling the drive device to rotate the lower disc through the control device to enable the spectrum probe to be positioned at the detection position, and sending a control instruction by the control device to start spectrum detection;
step S4, the control device collects the spectrum data of the sample to be measured in real time;
step S5, the control device controls the pneumatic device to generate unbalanced air flow so as to roll the sample to be detected randomly, and the steps S4-S5 are repeatedly executed until the required spectrum complex sampling group number is reached;
and step S6, after the detection is finished, the control device controls the driving device to rotate the lower disc, so that when the spectrum probe is positioned at the output position, the control device controls the pneumatic device to generate balanced airflow so that the sample to be detected leaves the spectrum probe and is output through the output device.
Preferably, the positioning device comprises a plurality of infrared detection devices, and each infrared detection device comprises an infrared transceiver arranged on the upper disc and a reflecting device arranged on the lower disc in a matching manner; the infrared detection devices are matched for use, so that whether the spectrum probe is positioned at an input position, a detection position and an output position can be detected; the input position is that the spectrum probe can be communicated with the input channel through the detection channel; the detection position is that the spectrum probe can be aligned with the upper disc closed area through the detection channel; the output position is that the spectrum probe can be communicated with the output channel through the detection channel. The invention adopts the infrared detection device to monitor the whole detection process, and can effectively realize automatic detection operation.
Preferably, the pneumatic device comprises an air pump, a pressure regulating device, a flow dividing device, a control valve and two groups of air supply pipelines; the spectrum probe comprises an air pump, a pressure regulating device, a flow dividing device, a spectrum probe head and a control valve, wherein the air pump generates air flow, the air flow is regulated by the pressure regulating device and then divided into two paths of air flow by the flow dividing device, the two paths of air flow are respectively input to the spectrum probe head through a group of air; when the control valve controls one of the two paths of air flows to be conducted and the other path of air flow to be disconnected, unbalanced air flow is generated in the spectrum probe to roll a sample to be measured; when the control valve controls the two paths of air flows to be conducted, balanced air flows are generated in the spectrum probe to drive the sample to be detected to leave the spectrum probe. According to the invention, the pneumatic device is arranged to generate unbalanced airflow to realize the rolling of the sample to be detected, the detection of multiple groups of random spectral data is completed by matching with the spectral probe, the randomness of the spectral data acquisition part of the sample to be detected is improved, the sample to be detected can be ensured to quickly reach a stable state after the airflow disappears, and the detection precision and reliability are improved; meanwhile, the balance air flow is generated by the pneumatic device to push the sample to be detected, so that the operation is simple and the realization is easy.
Preferably, the input device comprises a conveying device and an input pipeline; the conveying device is used for conveying a sample to be detected to the input pipeline, and an infrared detection device is arranged in the input pipeline to monitor that the sample to be detected enters the input pipeline; the output device comprises an output pipeline and a classification device, an infrared detection device is arranged inside the output pipeline to monitor and detect objects entering the output pipeline, and the classification device is used for classifying the detected objects according to detection results.
Preferably, the control device comprises an upper computer, a spectrometer and a light-emitting device; the utility model discloses a spectrometer, including light emitting device, spectrum probe, host computer and spectrum appearance, light emitting device and spectrum appearance pass through Y type optic fibre with the optic fibre mouth intercommunication of spectrum probe, light emitting device is used for sending the visible light, the visible light shines the sample that awaits measuring to the spectrum probe through optical fiber transmission, the spectrum appearance passes through the spectral data on the sample surface that awaits measuring of optic fibre collection, the host computer with spectrum appearance communication connection is used for receiving the spectral data that the spectrum appearance gathered and carries out analysis processes and send control command.
Preferably, the upper computer is in communication connection with the driving device to control the driving device to act; the upper computer is in communication connection with the positioning device to collect an output level signal of the infrared detection device; the upper computer is respectively in communication connection with the input device and the infrared detection devices in the output device so as to acquire output level signals of the infrared detection devices; and the upper computer is respectively in communication connection with the pressure regulating device and the control valve so as to control the pressure regulating device and the control valve to work. The invention realizes the unified control of the whole system through the upper computer, realizes the acquisition and processing of all detection data and realizes the full-automatic detection process.
Preferably, the initialization in step S1 specifically includes: initializing an upper computer: starting an upper computer and measurement software; initializing the detection device: starting an infrared detection device; and controlling the driving device to rotate the lower disc to enable the spectrum probe to be positioned at the detection position.
Preferably, the step S2 further includes: when the infrared detection device in the input device detects that a sample to be detected enters, a low level signal is output to the control device, and the control device receives the signal and then sends out a control instruction to control the driving device to rotate the lower disc.
Preferably, the method further comprises: step S7, when detecting that there is a new sample to be tested in the input device, repeating the steps S2-S6; otherwise, continuously detecting whether a new sample to be detected exists in the input device.
Preferably, the sample to be detected is pearl.
The invention has the following advantages and beneficial effects:
the invention can automatically identify whether a sample to be detected (particularly a sample to be detected such as pearl) enters the detection device or not, and realize spectrum complex sampling detection, and after the sample to be detected is detected, the sample to be detected is output from the detection device, and whether the sample to be detected leaves the detection device or not is identified; the invention utilizes an automatic detection system to realize a complete automatic detection process of spectrum re-sampling, provides a plurality of groups of spectrum data for the subsequent surface quality identification of the sample to be detected, and can efficiently identify the surface quality of the sample to be detected with high quality.
According to the invention, the pneumatic device is adopted to generate balanced (unbalanced) airflow, so that the overturning and pushing control of the sample to be detected is effectively realized, and the randomness of the overturning of the sample to be detected and the stability of the sample to be detected in the spectrum complex sampling process are improved by matching the spectrum probe, and the detection precision and reliability are improved;
the invention realizes the unified control, data acquisition and data processing of the whole system through the upper computer, is convenient to operate and can be carried out without the detection personnel having professional skills.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:
FIG. 1 is a schematic block diagram of the system architecture of the present invention.
Fig. 2 is a schematic view of the upper disc structure of the detecting device of the present invention.
FIG. 3 is a schematic view of the lower disc structure of the detecting device of the present invention.
Fig. 4 is a schematic structural diagram of the spectrum probe of the present invention.
Fig. 5 is a schematic structural diagram of an input device according to the present invention.
Fig. 6 is a schematic structural diagram of an output device according to the present invention.
Fig. 7 is a schematic structural diagram of a pneumatic device of the present invention.
Fig. 8 is a schematic structural diagram of a control device according to the present invention.
Fig. 9 is a schematic diagram of the control principle of the present invention.
Detailed Description
Hereinafter, the term "comprising" or "may include" used in various embodiments of the present invention indicates the presence of the invented function, operation or element, and does not limit the addition of one or more functions, operations or elements. Furthermore, as used in various embodiments of the present invention, the terms "comprises," "comprising," "includes," "including," "has," "having" and their derivatives are intended to mean that the specified features, numbers, steps, operations, elements, components, or combinations of the foregoing, are only meant to indicate that a particular feature, number, step, operation, element, component, or combination of the foregoing, and should not be construed as first excluding the existence of, or adding to the possibility of, one or more other features, numbers, steps, operations, elements, components, or combinations of the foregoing.
In various embodiments of the invention, the expression "or" at least one of a or/and B "includes any or all combinations of the words listed simultaneously. For example, the expression "a or B" or "at least one of a or/and B" may include a, may include B, or may include both a and B.
Expressions (such as "first", "second", and the like) used in various embodiments of the present invention may modify various constituent elements in various embodiments, but may not limit the respective constituent elements. For example, the above description does not limit the order and/or importance of the elements described. The foregoing description is for the purpose of distinguishing one element from another. For example, the first user device and the second user device indicate different user devices, although both are user devices. For example, a first element could be termed a second element, and, similarly, a second element could be termed a first element, without departing from the scope of various embodiments of the present invention.
It should be noted that: if it is described that one constituent element is "connected" to another constituent element, the first constituent element may be directly connected to the second constituent element, and a third constituent element may be "connected" between the first constituent element and the second constituent element. In contrast, when one constituent element is "directly connected" to another constituent element, it is understood that there is no third constituent element between the first constituent element and the second constituent element.
The terminology used in the various embodiments of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the various embodiments of the invention. As used herein, the singular forms are intended to include the plural forms as well, unless the context clearly indicates otherwise. Unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which various embodiments of the present invention belong. The terms (such as those defined in commonly used dictionaries) should be interpreted as having a meaning that is consistent with their contextual meaning in the relevant art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein in various embodiments of the present invention.
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to examples and accompanying drawings, and the exemplary embodiments and descriptions thereof are only used for explaining the present invention and are not meant to limit the present invention.
Example 1
The embodiment provides an automatic detection method for spectrum resampling, which is specifically implemented based on an automatic detection system for spectrum as shown in fig. 1, and the automatic detection system for spectrum comprises a control device, a pneumatic device, an input device, an output device and a detection device; and the pneumatic device, the input device, the output device and the detection device are in communication connection with the control device. The detection device comprises a driving device, an upper disc, a lower disc, a spectrum probe and a positioning device; the driving device enables the upper disc and the lower disc to be arranged in parallel through the central through holes of the upper disc and the lower disc, the upper disc is fixedly connected with the driving device, and the driving device can drive the lower disc to rotate; the upper disc is provided with at least one pair of input channel and output channel; the input channel is communicated with an input device, and the output channel is communicated with an output device; the lower disc is provided with a detection channel matched with the input channel and the output channel, the detection channel is communicated with the spectrum probe, and the positioning device is used for detecting the position of the spectrum probe.
The automatic detection method of the embodiment specifically includes:
and step S1, initializing the automatic spectrum detection system.
Specifically in this implementation, initializing the automated spectroscopic detection system includes activating each of the electrical devices in the detection system.
And step S2, controlling the driving device to rotate the lower disc by the control device to enable the spectrum probe to be positioned at the input position, and enabling the sample to be detected to be transmitted by the input device and enter the spectrum probe through the input channel. Specifically, in this embodiment, after the infrared detection device detects that the sample to be detected enters the input device, the control device controls the driving device to rotate the lower disc to rotate the spectrum probe to the input position, so that the sample to be detected enters the spectrum probe through the input channel and the detection channel to prepare for spectrum detection.
And step S3, controlling the driving device to rotate the lower disc through the control device to enable the spectrum probe to be positioned at the detection position, and sending a control command through the control device to start spectrum detection.
And step S4, the control device collects the spectrum data of the sample to be measured in real time.
And step S5, controlling the pneumatic device to generate unbalanced air flow through the control device so as to enable the sample to be tested to randomly roll, and repeatedly executing the steps S4-S5 until the required spectrum complex sampling group number is reached. Specifically, in this embodiment, the spectrum re-sampling of the same sample to be tested is realized through steps S4-S5, a control device sets a suitable pressure value, controls the pneumatic device to generate corresponding airflow to roll the sample to be tested, and ensures that the sample to be tested is not damaged, after a period of time, the control device controls the pneumatic device to close the airflow channel, and after the pearl is stabilized, stable spectrum data is acquired to ensure the validity of the data; after the detection of a group of spectral data of the sample to be detected is finished, the control device controls the pneumatic device to open the airflow channel again, airflow is generated to roll the sample to be detected, and the next spectral detection is carried out; this is repeated to obtain multiple sets of random spectral data.
And step S6, after the detection is finished, the control device controls the driving device to rotate the lower disc, so that when the spectrum probe is positioned at the output position, the control device controls the pneumatic device to generate balanced airflow so that the sample to be detected leaves the spectrum probe and is output through the output device.
Specifically, in this embodiment, after the detection of the multiple sets of spectral data of the same sample to be detected is completed, the control device controls to close all the airflow channels of the pneumatic device, and performs the spectral detection of the next sample to be detected: when a new sample to be detected is detected in the input device, repeating the steps S2-S6; otherwise, continuously detecting whether a new sample to be detected exists in the input device.
In this embodiment, the sample to be tested is a pearl.
Example 2
In this embodiment 2, the detection device of the above embodiment 1 is further optimized, specifically, as shown in fig. 2 to 4, a fixed shaft hole 5 is provided at the center of the upper disc 1, the driving device is fixed on the upper disc 1, and a rotating shaft of the driving device passes through the fixed shaft hole 5 and can rotate in the fixed rotating shaft hole; the position of the upper disc 1 close to the edge is provided with 2 groups of input channels and output channels along the thickness direction: the first channel 4-1 (as an input channel) and the fourth channel 4-4 (as an output channel) are grouped together, and the second channel 4-2 (as an output channel) and the third channel 4-3 (as an input channel) are grouped together. A rotating shaft hole 10 is formed in the center of the lower disc 9, a rotating shaft of the driving device penetrates through the fixed shaft hole 5 to be in transmission connection with the rotating shaft hole 10, and the driving device can drive the lower disc 9 to rotate through the rotating shaft; two detection channels (12-1 and 12-2) are arranged on the lower disk 9 corresponding to the two groups of input/output channels matched with the upper disk 1 along the thickness direction; all the input channels, output channels and detection channels in this embodiment are the same size.
The spectrum probe 16 comprises a cylindrical tubular structure and an annular probe base 16-1 integrally formed at an opening at the top end of the cylindrical tubular structure, and an auxiliary structure 16-2 is arranged at the bottom of the cylindrical tubular structure along the inner side wall so as to quickly stabilize the state of a sample to be detected; the center of the bottom of the cylindrical tubular structure is provided with an optical fiber port which is used for being matched with an optical fiber fixing end 16-4 to form an optical fiber insertion port 16-5; the circumferential surface of the side wall of the cylindrical tubular structure close to the bottom is uniformly provided with 6 airflow channels 16-3 (16-3-1, 16-3-2, 16-3-3, 16-3-4, 16-3-5 and 16-3-6); the annular probe base 16-1 is provided with screw holes (16-1-1, 16-1-2 and 16-1-3) matched with the mounting screw holes of the lower disc 9.
In this embodiment, referring to fig. 2 to 4, a group of input channels 4-1/output channels 4-4 and a detection channel 12-1 are taken as an example for explanation: an infrared transceiver (a first infrared transceiver 2-1 and a second infrared transceiver 2-2) is respectively arranged on the upper disc 1 and at two sides of the input channel 4-1, and an infrared transceiver (a third infrared transceiver 2-3 and a fourth infrared transceiver 2-4) is respectively arranged on the upper disc 1 and at two sides of the output channel 4-4; the input channel 4-1 is fixedly connected with the input device, so that a sample to be detected can be input into the detection device through the input channel 4-1; the output channel 4-4 is fixedly connected with the output device, so that the sample to be detected can be output to the output device through the output channel 4-4; the detection channel 12-1 is fixedly connected with the spectrum probe so that a sample to be detected can pass through the detection channel to the spectrum probe; and the upper surface of the lower disc 9 and the two sides of the detection channel 12-1 are respectively provided with a light reflecting strip (11-1 and 11-2) in cooperation with the infrared receiving and transmitting device.
In this embodiment, an input position is defined as an input channel position, an output position is defined as an output channel position, and a detection position is defined as an intermediate position between the input channel and the output channel; detecting whether the spectrum probe is positioned at an input position by the first infrared transceiver 2-1/the second infrared transceiver 2-2 and the first reflective strip 11-1/the second reflective strip 11-2; whether the spectrum probe is positioned at a detection position is detected by the first infrared transceiver 2-1/the fourth infrared transceiver 2-4 and the first reflective strip 11-1/the second reflective strip 11-2; whether the spectral probe is positioned at the output position is detected by the third infrared transceiver 2-3/the fourth infrared transceiver 2-4 and the first reflective strip 11-1/the second reflective strip 11-2.
The other set of input/output channels and the detection channel are used for simultaneously performing multiple sets of spectral measurements of the sample to be measured, and similarly, the arrangement is as above (not shown in fig. 2 to 3), which is not described herein.
Example 3
This embodiment 3 further optimizes the input device and the output device of the above embodiment, specifically, as shown in fig. 5 and 6, the input device includes a conveying device and an input pipeline 7; the conveying device is used for conveying a sample to be detected to an input pipeline 7, and the input pipeline sequentially comprises a funnel-shaped inlet section 7-1, a cylindrical pipeline section 7-2 and a circular input pipeline base 7-5; an infrared transmitting device 7-3 and an infrared receiving device 7-4 which are matched with each other are arranged on the side wall of the cylindrical pipeline section 7-2 close to the circular input pipeline base 7-5 (the infrared transmitting device and the infrared receiving device are symmetrical by the center of the cylindrical pipeline) so as to detect whether a sample to be detected enters the input pipeline 7; the infrared transmitting device 7-3 transmits an infrared signal, the infrared signal reaches the infrared receiving device 7-4 through the inside of the pipeline, and a high-level signal is output; when a sample to be detected passes through, the infrared signal is blocked, the infrared receiving device cannot receive the infrared signal, and then a low-level signal is output. The circular ring-shaped input pipeline base 7-5 is provided with screw holes (7-5-1, 7-5-2 and 7-5-3) matched with the mounting screw holes of the upper disc 1 so as to fix the input pipeline 7 on the upper disc 1. The conveying device in this embodiment is an existing conveying device.
The output device comprises an output pipeline 8 and a classification device, wherein the output pipeline 8 comprises a circular output pipeline base 8-3 and a bent cylindrical pipeline; the circular ring-shaped output pipeline base 8-3 is provided with screw holes (8-3-1, 8-3-2 and 8-3-3) matched with the mounting screw holes of the upper disc 1 so as to fix the output pipeline 8 on the upper disc 1. An infrared emitting device 8-1 and an infrared receiving device 8-2 are symmetrically arranged on the side wall of the bent cylindrical pipeline close to the outlet along the center to detect whether the sample to be detected smoothly leaves the output pipeline; the classification device is communicated with the outlet of the bent cylindrical pipeline and used for classifying the detected objects according to the detection result.
The mechanical structure assembly process of the detection system of the embodiment is as follows:
first, 2 sets of input devices 7 are aligned with input channels (4-1 and 4-3), respectively; then, the screws pass through the screw holes (3-1, 3-2 and 3-3) (3-7, 3-8 and 3-9) and the screw holes (7-5-1, 7-5-2 and 7-5-3) of the corresponding input devices from the lower surface of the upper disc 1 upwards; finally, a nut is fastened on the upper surface of the circular ring-shaped base 7-5 of the input device 7 to fix the input device 7 on the upper disc 1.
In a second step, 2 sets of output devices 8 are first aligned with the output channels (4-2 and 4-4), respectively. Then, the screws are passed upward from the lower surface of the upper disk 1 through the screw holes (3-4, 3-5 and 3-6) (3-10, 3-11 and 3-12) and the screw holes (8-3-1, 8-3-2 and 8-3-3) of the corresponding output means. Finally, a nut is fastened on the upper surface of the circular ring-shaped base 8-3 of the output device 8 to fix the output device 8 on the upper disc 1.
Thirdly, aligning the 2 groups of the spectrum probes with the first detection channel 12-1 and the second detection channel 12-2 respectively; then, the screws penetrate through the screw holes (13-1, 13-2 and 13-3) or (13-4, 13-5 and 13-6) and the screw holes (16-1-1, 16-1-2 and 16-1-3) of the corresponding spectrum probe from the upper surface of the lower disc 9 downwards; and finally, fastening a nut on the lower surface of the circular base of the spectrum probe.
The fourth step: firstly, a rotating shaft of a driving device downwards passes through a fixed shaft hole 5; then, the screws upwards penetrate through the screw holes (3-13, 3-14, 3-15 and 3-16) and the screw holes of the corresponding driving device base from the lower surface of the upper disc 1, and nuts are fastened on the upper surface of the driving device base to fix the driving device on the upper disc 1; finally, a rotating shaft of the driving device which downwards penetrates through the fixed shaft hole 5 is in transmission connection with the rotating shaft hole 10, so that the driving device can drive the lower disc 9 to rotate through the rotating shaft. Preferably, the end of the rotating shaft can be provided with a thread for limiting connection with a nut below the lower disc 9.
The driving device in this embodiment may be a steering engine.
In this embodiment, a special limiting device is further provided. The limiting device adopts the existing clamping piece structure, the upper end of the limiting device is fixed on the edge of the upper disc 1, and a lower end clamping groove of the limiting device is used for clamping the lower disc 9 to prevent the lower disc 9 from falling off and falling in the rotating process. In this embodiment, a plurality of position-limiting devices may be uniformly disposed on the edge of the upper disk 1 and along the circumference of the upper disk 1.
Example 4
The embodiment 4 further optimizes the pneumatic device of the above embodiment, specifically, as shown in fig. 7, the pneumatic device includes an air pump 17, a pressure regulating device 18, a flow dividing device 20, a control valve 21 and two sets of air supply pipelines; in this embodiment, the flow dividing device adopts a three-way pipeline; the control valve adopts an electromagnetic switch; the air supply pipeline adopts a four-way pipeline; the air pump end is connected with the input end of the pressure regulating device 18, the output end of the pressure regulating device 18 is connected with the input end of the flow dividing device 20, two output ends of the flow dividing device 20 are respectively connected with two groups of air supply pipelines 23-1 and 23-2, and a control valve 21 and a safety valve 22 are sequentially arranged between the flow dividing device 20 and the two groups of air supply pipelines along the air flow direction; the control valve 21 is used for controlling the on-off of the air flow; the safety valve is used for preventing the air flow from flowing backwards; the two groups of air supply pipelines are respectively connected with two groups of air flow channels (16-3-1, 16-3-2, 16-3-3, 16-3-4, 16-3-5 and 16-3-6) uniformly arranged on the side wall of the spectrum probe. In FIG. 7, reference numerals 19-1, 19-2, 19-3, 19-4, 19-5, 19-6, 19-7, 19-8, 19-9, 19-10, 19-11, 19-12, and 19-13 refer to airflow ducts.
Specifically, the air pump 17 generates air flow, the air flow is subjected to pressure regulation by the pressure regulating device 18 and then is divided into two air flows by the flow dividing device 20, the two air flows are respectively input to the spectrum probe through one group of air supply pipelines, and the control valve 21 is used for controlling the on-off of the two air flows; when the control valve 21 controls one of the two air flows to be conducted and the other air flow to be disconnected, unbalanced air flow is generated in the spectrum probe to roll a sample to be measured; when the control valve 21 controls the two paths of air flows to be conducted, a balance air flow is generated in the spectrum probe to drive the sample to be detected to leave the spectrum probe.
In the embodiment, the pneumatic device is arranged to generate unbalanced airflow to realize the rolling of the sample to be detected, the detection of multiple groups of random spectral data is completed by matching with the spectral probe, the randomness of the spectral data acquisition part of the sample to be detected is improved, the sample to be detected can be ensured to quickly reach a stable state after the airflow disappears, and the detection precision and reliability are improved; meanwhile, the balance air flow is generated by the pneumatic device to push the sample to be detected, so that the operation is simple and the realization is easy.
Example 5
In this embodiment 5, the control device of the above embodiment is further optimized, and specifically, as shown in fig. 8 and 9, the control device includes an upper computer 28, a spectrometer 26 and a light-emitting device 25; the light emitting device 25 and the spectrometer 26 are communicated with the optical fiber port of the spectrum probe through a Y-shaped optical fiber 24, specifically, in this embodiment, the Y-shaped optical fiber 24 includes a female optical fiber end 24-1, a bifurcated optical fiber end 24-2, and an optical fiber insertion head 24-3; the light-emitting device 25 and the spectrometer 26 are respectively connected to the branch end 24-2 of the Y-shaped optical fiber 24, the female end 24-1 of the optical fiber is connected to the optical fiber insertion head 24-3, and the optical fiber insertion head 24-3 is connected to the optical fiber port of the spectrum probe.
The light-emitting device 25 emits visible light, the visible light is transmitted to the spectrum probe through the optical fiber to irradiate a sample to be detected, the spectrometer 26 collects spectrum data on the surface of the sample to be detected through the optical fiber, and the upper computer 28 is in communication connection with the spectrometer 26 (connected through the data transmission line 27) and used for receiving the spectrum data collected by the spectrometer 26, analyzing and processing the spectrum data and sending a control instruction.
In this embodiment, the upper computer 28 is in communication connection with the driving device to control the driving device to operate; the upper computer 28 is in communication connection with the positioning device to collect an output level signal of the infrared detection device; the upper computer 28 is respectively in communication connection with the infrared detection devices in the input device and the output device so as to collect output level signals of the infrared detection devices; the upper computer 28 is respectively in communication connection with the pressure regulating device and the control valve so as to control the pressure regulating device and the control valve to work. As shown in fig. 9, in the present embodiment, all the infrared detection devices in the detection system are respectively connected to the upper computer 28 through the I/O interface connection line; the driving device is in communication connection with the upper computer 28 through a data transmission line; the pressure regulating device is in communication connection with the upper computer 28 through a data transmission line; the control valve 21 is connected with the upper computer 28 through an I/O interface connection line in a communication mode. The embodiment realizes the unified control of the whole system through the upper computer, realizes the collection and the processing of all detection data, and realizes the full-automatic detection process.
As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. The automatic detection method for the spectrum resampling is characterized in that a spectrum automatic detection system is adopted to detect the surface quality of a spherical object, and the spectrum automatic detection system comprises a control device, a pneumatic device, an input device, an output device and a detection device; the pneumatic device, the input device, the output device and the detection device are all in communication connection with the control device; the detection device comprises a driving device, an upper disc, a lower disc, a spectrum probe and a positioning device; the driving device enables the upper disc and the lower disc to be arranged in parallel through the central through holes of the upper disc and the lower disc, the upper disc is fixedly connected with the driving device, and the driving device can drive the lower disc to rotate; the upper disc is provided with at least one pair of input channel and output channel; the input channel is communicated with an input device, and the output channel is communicated with an output device; the lower disc is provided with a detection channel matched with the input channel and the output channel, the detection channel is communicated with the spectrum probe, and the positioning device is used for detecting the position of the spectrum probe; the method comprises the following steps:
step S1, initializing the automatic spectrum detection system;
step S2, the control device controls the drive device to rotate the lower disc to enable the spectrum probe to be positioned at an input position, and the sample to be detected is transmitted by the input device and enters the spectrum probe through the input channel;
step S3, controlling the drive device to rotate the lower disc through the control device to enable the spectrum probe to be positioned at the detection position, and sending a control instruction by the control device to start spectrum detection;
step S4, the control device collects the spectrum data of the sample to be measured in real time;
step S5, the control device controls the pneumatic device to generate unbalanced air flow so as to roll the sample to be detected randomly, and the steps S4-S5 are repeatedly executed until the required spectrum complex sampling group number is reached;
and step S6, after the detection is finished, the control device controls the driving device to rotate the lower disc, so that when the spectrum probe is positioned at the output position, the control device controls the pneumatic device to generate balanced airflow so that the sample to be detected leaves the spectrum probe and is output through the output device.
2. The automatic detection method for spectrum resampling as claimed in claim 1, wherein the positioning device comprises a plurality of infrared detection devices, each infrared detection device comprises an infrared transceiver disposed on the upper disc and a reflector disposed on the lower disc; the infrared detection devices are matched for use, so that whether the spectrum probe is positioned at an input position, a detection position and an output position can be detected; the input position is that the spectrum probe can be communicated with the input channel through the detection channel; the detection position is that the spectrum probe can be aligned with the upper disc closed area through the detection channel; the output position is that the spectrum probe can be communicated with the output channel through the detection channel.
3. The automatic detection method for spectrum resampling as claimed in claim 1 or 2, wherein the pneumatic device comprises an air pump, a pressure regulating device, a flow dividing device, a control valve and two sets of air supply pipelines; the spectrum probe comprises an air pump, a pressure regulating device, a flow dividing device, a spectrum probe head and a control valve, wherein the air pump generates air flow, the air flow is regulated by the pressure regulating device and then divided into two paths of air flow by the flow dividing device, the two paths of air flow are respectively input to the spectrum probe head through a group of air; when the control valve controls one of the two paths of air flows to be conducted and the other path of air flow to be disconnected, unbalanced air flow is generated in the spectrum probe to roll a sample to be measured; when the control valve controls the two paths of air flows to be conducted, balanced air flows are generated in the spectrum probe to drive the sample to be detected to leave the spectrum probe.
4. The automated method for spectrum resampling as claimed in claim 3, wherein said input device comprises a transmission device and an input pipeline; the conveying device is used for conveying a sample to be detected to the input pipeline, and an infrared detection device is arranged in the input pipeline to monitor that the sample to be detected enters the input pipeline; the output device comprises an output pipeline and a classification device, an infrared detection device is arranged inside the output pipeline to monitor and detect objects entering the output pipeline, and the classification device is used for classifying the detected objects according to detection results.
5. The automatic detection method for spectrum complex sampling according to claim 4, wherein the control device comprises an upper computer, a spectrometer and a light-emitting device; the utility model discloses a spectrometer, including light emitting device, spectrum probe, host computer and spectrum appearance, light emitting device and spectrum appearance pass through Y type optic fibre with the optic fibre mouth intercommunication of spectrum probe, light emitting device is used for sending the visible light, the visible light shines the sample that awaits measuring to the spectrum probe through optical fiber transmission, the spectrum appearance passes through the spectral data on the sample surface that awaits measuring of optic fibre collection, the host computer with spectrum appearance communication connection is used for receiving the spectral data that the spectrum appearance gathered and carries out analysis processes and send control command.
6. The automatic detection method for spectrum complex sampling according to claim 5, wherein the upper computer is in communication connection with the driving device to control the driving device to act; the upper computer is in communication connection with the positioning device to collect an output level signal of the infrared detection device; the upper computer is respectively in communication connection with the input device and the infrared detection devices in the output device so as to acquire output level signals of the infrared detection devices; and the upper computer is respectively in communication connection with the pressure regulating device and the control valve so as to control the pressure regulating device and the control valve to work.
7. The method according to claim 6, wherein the initializing in step S1 specifically includes: initializing an upper computer: starting an upper computer and measurement software; initializing the detection device: starting an infrared detection device; and controlling the driving device to rotate the lower disc to enable the spectrum probe to be positioned at the detection position.
8. The method for automated detection of spectral resampling according to claim 6, wherein the step S2 further comprises: when the infrared detection device in the input device detects that a sample to be detected enters, a low level signal is output to the control device, and the control device receives the signal and then sends out a control instruction to control the driving device to rotate the lower disc.
9. The automated method for detecting spectral resampling according to claim 6, wherein the method further comprises: step S7, when detecting that there is a new sample to be tested in the input device, repeating the steps S2-S6; otherwise, continuously detecting whether a new sample to be detected exists in the input device.
10. The automated detection method for spectrum resampling according to any one of claims 7-9, wherein the sample to be detected is pearl.
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| CN202710457U (en) * | 2012-07-23 | 2013-01-30 | 深圳市斯尔顿科技有限公司 | Sphere scanning detector and automatic sphere rotation device thereof |
| CN102967586B (en) * | 2012-10-24 | 2014-11-12 | 浙江工业大学 | Device for online automatically classifying pearl color and gloss based on monocular multi-view machine vision |
| CN103990603B (en) * | 2014-06-05 | 2017-02-15 | 苏州大学 | Sphere surface quality detection method and device |
| CN107389195B (en) * | 2017-07-13 | 2018-11-13 | 浙江农林大学 | A kind of pearl multi-surface detection device based on machine vision |
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